
public enum Tokens {
	PROGRAM, BEGIN, END, INT, IF, THEN, ELSE, WHILE, LOOP, READ, WRITE, SEMICOLON, COMMA, EQUAL, EXCLAMATION, LEFT_BRACK, RIGHT_BRACK, AND_OP, OR_OP, LEFT_PAREN,
		RIGHT_PAREN, PLUS_OP, MINUS_OP, STAR_OP, NOT_EQUAL_OP, EQUAL_OP, LESSTHAN_OP, GREATERTHAN_OP, LESSTHAN_EQ_OP, GREATERTHAN_EQ_OP, IDENTIFIER, DIGIT
	}
